5131849 has 2 divisors, whose sum is σ = 5131850. Its totient is φ = 5131848.

The previous prime is 5131823. The next prime is 5131853. The reversal of 5131849 is 9481315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2673225 + 2458624 = 1635^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131849 - 2¹⁷ = 5000777 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5131849.

It is not a weakly prime, because it can be changed into another prime (5131249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565924 + 2565925.

It is an arithmetic number, because the mean of its divisors is an integer number (2565925).

Almost surely, 2^5131849 is an apocalyptic number.

It is an amenable number.

5131849 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131849 is an equidigital number, since it uses as much as digits as its factorization.

5131849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 5131849 is about 2265.3584705296. The cubic root of 5131849 is about 172.4876305630.

The spelling of 5131849 in words is "five million, one hundred thirty-one thousand, eight hundred forty-nine".